Home / 3,309.12-4,566.63-1,817.01

Finding the Fourth Proportional to 3,309.12, 4,566.63 and 1,817.01

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Solution

The fourth proportional to 3,309.12, 4,566.63 and 1,817.01 is: 2,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.12 : 4,566.63 = 1,817.01 : x
  2. Step 2: Convert to fraction form
    3,309.12/4,566.63 = 1,817.01/x
  3. Step 3: Cross multiply
    3,309.12x = 4,566.63 × 1,817.01
  4. Step 4: Simplify right side
    3,309.12x = 8,297,612.38
  5. Step 5: Solve for x
    x = 8,297,612.38/3,309.12
  6. Step 6: Final answer
    x = 2,507.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.